import java.util.Scanner;

public class test {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        while(in.hasNext()){
            char ch = in.next().charAt(0);
            if(ch >='a' && ch <='z'){
                System.out.print((char)(ch - 32));
            }else{
                System.out.print(ch);
            }

        }
    }
}